The EL1500C IP Cameras over Coaxial Cable network extender and PoE Injector is a transmission system that allows Ethernet and PoE to be extended to distances up to 500 meters (1,640 ft.) over coaxial cable.

The EL1500U IP Camera network extender and PoE injector is a transmission system that allows Ethernet and PoE to be extended to distances up to 600 meters (1,960 ft.) over a 4 pair category network cable.